Nufarm 10010225 4-Speed XT Broadleaf Herbicide 2.5 Gallon4 Speed XT herbicide provides fast, effective post emergent control of a wide range of broadleaf weeds in a variety of settings including golf courses and professional turf. The power behind the performance is a unique blend of active ingredients. In 4 Speed XT, the tough weed killer, triclopyr, is combined with 2,4 D, dicamba and pyraflufen ethyl to create a combination lethal to virtually any broadleaf weed. Label SDS